Obviously the bonuses matter a lot, like a Treasure for Deadly Dispute
Beloved Beggar Biolume Egg Bootleggers' Stash Chicken Egg Chimeric Egg Darkwater Egg Dingus Egg Dinosaur Egg Dragon Egg Dragon-Kami's Egg Golden Egg Heidegger, Shinra Executive Lord Dregg, Insect Invader Mossfire Egg Mysterious Egg Orochi Eggwatcher Orochi Eggwatcher Peggy Carter, Secret Agent Resolute Veggiesaur Roc Egg Rukh Egg Shadowblood Egg Skycloud Egg Smoldering Egg Summoner's Egg Sungrass Egg Thousand-legged Kami Triassic Egg
Once a Pokemons HP hits zero, it is knocked out, and it goes into the Trash (2) pile
There's also Tainted Adversary , the third entry in the multikicker cycle, which can get +1/+1 counters and make many Zombie tokens
If someone is running zombies, you play this, choose zombies, and now they are locked down
So, the mana curve is mostly unaffected by the cards players drawits affected by the cards already in the game